@misc{indiciae4d3a6d88601e,
  title = {The canyon system on Mars},
  author = {Lucchitta, B. K. and Mcewen, A. S. and Clow, G. D. and Geissler, P. E. and Singer, R. B. and Schultz, R. A. and Squyres, S. W.},
  year = {1992},
  url = {https://ntrs.nasa.gov/citations/19930043869},
  note = {Source identifier: 19930043869}
}